FROM docker

# ensure local python is preferred over distribution python
ENV PATH /usr/local/bin:$PATH

# http://bugs.python.org/issue19846
# > At the moment, setting "LANG=C" on a Linux system *fundamentally breaks Python 3*, and that's not OK.
ENV LANG C.UTF-8
# https://github.com/docker-library/python/issues/147
ENV PYTHONIOENCODING UTF-8

# install ca-certificates so that HTTPS works consistently
# other runtime dependencies for Python are installed later
RUN apk add --no-cache ca-certificates

ENV GPG_KEY C01E1CAD5EA2C4F0B8E3571504C367C218ADD4FF
ENV PYTHON_VERSION 2.7.15

RUN set -ex \
        && apk add --no-cache --virtual .fetch-deps \
                gnupg \
                tar \
                xz \
        \
        && wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
        && wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
        && export GNUPGHOME="$(mktemp -d)" \
        && gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
        && gpg --batch --verify python.tar.xz.asc python.tar.xz \
        && { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
        && rm -rf "$GNUPGHOME" python.tar.xz.asc \
        && mkdir -p /usr/src/python \
        && tar -xJC /usr/src/python --strip-components=1 -f python.tar.xz \
        && rm python.tar.xz \
        \
        && apk add --no-cache --virtual .build-deps  \
                bzip2-dev \
                coreutils \
                dpkg-dev dpkg \
                findutils \
                gcc \
                gdbm-dev \
                libc-dev \
                libnsl-dev \
                libressl-dev \
                libtirpc-dev \
                linux-headers \
                make \
                ncurses-dev \
                pax-utils \
                readline-dev \
                sqlite-dev \
                tcl-dev \
                tk \
                tk-dev \
                zlib-dev \
# add build deps before removing fetch deps in case there's overlap
        && apk del .fetch-deps \
        \
        && cd /usr/src/python \
        && gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \
        && ./configure \
                --build="$gnuArch" \
                --enable-shared \
                --enable-unicode=ucs4 \
        && make -j "$(nproc)" \
# set thread stack size to 1MB so we don't segfault before we hit sys.getrecursionlimit()
# https://github.com/alpinelinux/aports/commit/2026e1259422d4e0cf92391ca2d3844356c649d0
                EXTRA_CFLAGS="-DTHREAD_STACK_SIZE=0x100000" \
        && make install \
        \
        && find /usr/local -type f -executable -not \( -name '*tkinter*' \) -exec scanelf --needed --nobanner --format '%n#p' '{}' ';' \
                | tr ',' '\n' \
                | sort -u \
                | awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
                | xargs -rt apk add --no-cache --virtual .python-rundeps \
        && apk del .build-deps \
        \
        && find /usr/local -depth \
                \( \
                        \( -type d -a \( -name test -o -name tests \) \) \
                        -o \
                        \( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \
                \) -exec rm -rf '{}' + \
        && rm -rf /usr/src/python \
        \
        && python2 --version

# if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"
ENV PYTHON_PIP_VERSION 18.1

RUN set -ex; \
        \
        wget -O get-pip.py 'https://bootstrap.pypa.io/get-pip.py'; \
        \
        python get-pip.py \
                --disable-pip-version-check \
                --no-cache-dir \
                "pip==$PYTHON_PIP_VERSION" \
        ; \
        pip --version; \
        \
        find /usr/local -depth \
                \( \
                        \( -type d -a \( -name test -o -name tests \) \) \
                        -o \
                        \( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \
                \) -exec rm -rf '{}' +; \
        rm -f get-pip.py

RUN apk add --no-cache git build-base
RUN git clone https://github.com/Nextdoor/ndscheduler.git
RUN apk add --no-cache bash
RUN apk add --no-cache --virtual .build-deps  \
                bzip2-dev \
                coreutils \
                dpkg-dev dpkg \
                findutils \
                gcc \
                gdbm-dev \
                libc-dev \
                libnsl-dev \
                libressl-dev \
                libtirpc-dev \
                linux-headers \
                make \
                ncurses-dev \
                pax-utils \
                readline-dev \
                sqlite-dev \
                tcl-dev \
                tk \
                tk-dev \
                zlib-dev 
RUN pip install virtualenv

RUN mkdir -p /mnt/scheduler && cd /mnt/scheduler && virtualenv ./ && \
    chmod -R 777 ./bin/activate && ./bin/activate && \
    pip install -e git+https://github.com/Nextdoor/ndscheduler.git#egg=ndscheduler

RUN apk add --no-cache curl
RUN curl -o "/mnt/scheduler/apns.pem" https://raw.githubusercontent.com/Nextdoor/ndscheduler/master/simple_scheduler/docker/apns.pem
RUN curl -o "/mnt/scheduler/bin/run_scheduler" https://raw.githubusercontent.com/Nextdoor/ndscheduler/master/simple_scheduler/docker/run_scheduler

RUN chmod 755 /mnt/scheduler/bin/run_scheduler

RUN cp -rfp /mnt/scheduler/src/ndscheduler/simple_scheduler/scheduler.py /scheduler.py

RUN apk add --no-cache nginx

RUN mkdir /run/nginx

CMD /ndscheduler/start.sh


